那里拥有中国国内最罕见最丰富的鲁灰花岗岩岩床。

There is the most rare in China with the most abundant shandong grey granite rock bed.

youdao

那里拥有中国国内最罕见最丰富的鲁灰花岗岩岩床。

There is the most rare in China with the most abundant shandong grey granite rock bed.

youdao